System Operation
28 Autopulse-442R 50098:F 05/24/2001
Section 3 System Operation
When applying power to this control unit, apply primary (AC) first, followed by batteries, as
described in “Power-Up Procedure” in Section 2.11.
WARNING: When used for CO
2
releasing applications, observe proper precautions as stated
in NFPA 12. Do not enter the protected space unless physical lockout and other safety
procedures are fully completed. Do not use software disable functions in the panel as lockout.
6\VWHP6WDWXV/('V
Alarm, Trouble and Supervisory LEDs will flash on and off until the event(s) has been acknowl-
edged (TONE or ALARM SILENCE), at which point the LED will illuminate steadily.
$&3RZHU
Green LED that illuminates steadily to indicate
presence of AC power.
6\VWHP$ODUP
Red LED that flashes when an alarm occurs.
5HOHDVH
Red LED that illuminates steadily when release
occurs.
6XSHUYLVRU\
Yellow LED that flashes upon activation of a
supervisory device (such as tamper switch) on
Output 4 if selected. (See “Setting Mode of
Operation” in Section 2.10.)
6\VWHP7URXEOH
Yellow LED that flashes for any trouble condition,
including those associated with optional boards.
&LUFXLW7URXEOH
Yellow LED that flashes for trouble conditions on output circuits (notification and releasing
circuits).
$ODUP6LOHQFHG
Yellow LED that illuminates steadily when the ALARM SILENCE switch has been pushed after an
alarm.
3RZHU7URXEOH
Yellow LED that flashes for low or disconnected batteries and earth fault conditions.
%DWW
Yellow LED that illuminates steadily on motherboard when battery is low or not detected.
(DUWK
Yellow LED that illuminates steadily on motherboard during a ground fault condition.
0LFUR)DLO
Yellow LED that illuminates on motherboard when watchdog timer detects microprocessor failure.
BATT
EARTH
MICRO
FAIL
;RSHUFGU
To Next Page
Loading...
Need help?
General
